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Old Faithful? Hah! If you want to fill your lens with the most geyser possible in Yellowstone National Park, then Steamboat Geyser is the world's largest. But it has a bad habit of going dormant for years.

Yellowstone National Park

In the northwest quarter of the park, many miles from Old Faithful. In Norris Geyser Basin, which is on US 89/Grand Loop Rd at the intersection of Norris Canyon Rd. Intersection known in Park as Norris Junction.

Yellowstone National Park is home to Steamboat Geyser, the world's largest active geyser. And for the first time in almost nine years, Steamboat erupted with a large water and vapor plume, according to park officials.... [05/14/2000]Complete News Story